Governor for suction gas-producers.



No. 809,848. PATENTED JAN. 9, 1906. E. SANDNBR. GOVERNOR FOR SUCTION GAS PRODUCERS.

APPLICATION FILED JUNE 26, 1905.

UNITE@ STATES PATIENT OFFICE.

ERICH SANDNER, OF LANSING, MICHIGAN, ASSIGNOR TO AMERICAN SUCTION GAS PRODUCER COMPANY, OF LANSING, MICHIGAN, A

CORPORATION OF MICHIGAN.

Specification of Letters Patent.

Patented Jan. 9, 1906.

Application filed .Tune 26, 1905. Serial No. 267,139.

L@ all wit/)nt it muy concern:

Be it known that I, ERICH SANDNER, a subject of the German Emperor, residing at Lansing, in the county of Ingham and State of hifichigan, have invented certain new and useful Improvements in Governors for Suction Gas-Producers, of which the following is a specification, reference being had therein to the accompanying drawings.

The invention relates to apparatus for governing the flow and equalizing the pressure of gas fed to an explosion-engine, and more particularly designed for use in connection with apparatus for generating the gas as required. Such gas-generating apparatus is commonly known as suction gas-producer, and comprises, essentially, a chamber containing an incandescent mass of fuel through which air and vapor are drawn by the suction of the engine on its induction-stroke and are converted into an explosive mixture of gases. The function of the governor is to equalize the pressure upon the gas during the inductionstroke and also to change the intermittent suction upon the producer caused by the direct action of the engine into a more nearly constant suction. The governor therefore comprises, essentially, an alternately collapsing and expanding chamber which is in connection with the inductioneconduit between the producer and the engine. Heretofore governors for this purpose have been made in the form of an ordinary gas-holder-fi. e., a gas-bell is immersed in a water-tank and induction and eduction gas-conduits are passed through the water seal into the bell, said conduits leading, respectively, to the producer and the engine. Thus in operation the bell falls as the gas is drawn out from the chamber within and is raised by the hydrostatic pressure to continue the suction on the producer after the engine suction has ceased. The defect of such a construction is that a considerable change in the water-level is produced by the movement of the bell and, further, that the inertia of the bell and moving Water column is considerable.

It is the object of the present invention to overcome these defects by the construction as hereinafter set forth.

In the drawing the governor is represented in vertical central section.

A is a casing which is provided with va removable cover B and preferably having the induction and eduction gas-conduits C and D connected thereto in alinement with each other.

E is a tubular wall rising centrally within the casing A, connecting with the bottom thereof in any suitable way, as by the flange c., and surrounding an orifice I) in the bottom, through which it is suitably connected with the atmosphere. The upper end of this tube is preferably flared, as illustrated at c, for a purpose to be hereinafter set forth.

The expansion and contraction of the gaschamber is produced by placing a bell Fwithin the casing A. This bell may be made of lightisheet metal, so as to reduce its weight to the minimum and is guided, preferably, by a central depending stem G, which passes down through the tube E. and engages guide-bearings d, supported therein by spider-frames e. rThe stem G may be connected to the bell by providing the latter with a central cast-metal flange j', riveted or otherwise secured to the sheet metal, so as to form a gas-tight joint, and provided with a tapering socket g, with which the tapered upper end of the stem G engages, being held to its seat by a clampingnut 7L. To hydrostatically balance the bell in the proper position within the casing A, said bell is preferably provided with a hollow wall,'formed by the inner cylindrical shell I-I, secured to the wall of the bell at its upperend with a gas-tight joint and forming between the walls a chamber i. In this chamber a sufficient volume of air may be placed to balance the bell in the desired position.

The construction being as shown and described, in operation the reduction of pressure within the gas-chamber I, formed in the upper portion of the casing A and produced by the induction-stroke of the engine, will cause the atmospheric pressure within the bell F to lift the latter, so as to expel the gas within the chamber I through the conduit D, maintaining a substantially uniform pressure thereon. As soon as the inductionstroke ceases the weight of the bell will cause it to fall, and in so doing a slight reduction in pressure within the gas-chamber I will cause an infiow of gas from the producer through the conduit C.

It will be observed that the gas is not stored within the bell and that the function IOO of the latter is merely to vary the size of the gas-chamber within the casing A. It is obvious that the bell for this purpose may be made smaller and lighter than where used as a container for the gas, and this diminishes the weight and reduces the inertia of the bell.

It further diminishes the displacement of the-y hydrostatic column which balances the bell, and thereby diminishes the movement and the inertia of the water column. Still further, by guiding the bell by an axially and vertically arranged stem the friction in the guide-bearings d is reduced to the minimum. The flaring flange c at the upper end oir` the tube E will deflect the water within the bell, and it rises and falls during the movement of the bell and will prevent any danger of splashing the water into the tube.

What I claim as my invention isl. A governor of the character described fomprising a stationary casing forming a gas- Bhamber and connected with the gas supply and outlet conduits, and a balanced displacement member within said casing for varying ".he capacity of said gas-chamber.

2. A governor of the character described r:.omprising a stationary casing containing a gas-chamber connected with the gas supply and outlet conduits, and a hydrostaticallybalanced displacement member within said casing for varying the capacity of said gaschamber.

3. A governor of the character described comprising a stationary casing inclosing a gas-chamber connected with the gas supply and outlet conduits, a bell hydrostatically balanced within said casing, and a connection between the chamber Within said bell and the external atmosphere.

4. A governor of the character described comprising a casing containing a gas-chamber connected with gas supply and outlet conduits, a displacement-bell hydrostatically balanced within said casing and a guide-stem and cooperating bearing depending axially and vertically from said bell, substantially as described.

5. A governor of the character described comprising a cylindrical casing containing a gas chamber connected with gas supply and outlet conduits, a cylindrical bell hydrostatically balanced within said casing, a central tube within said casing and bell through which communication is established between the chamber in the bell and the external atmosphere, an axially and vertically arranged guide-stem depending from said bell, and a bearing within said central tube with which said stem slidingly engages.

6. A governor of the character described comprising a casing inclosing a gas-cham# ERICH SANDNER.

Witnesses:

` JAMEs H. BROAD,

JOHN BELL. 

